Finding the Fourth Proportional to 809,458.99, 1,213,976.88 and 240,686.91
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Solution
The fourth proportional to 809,458.99, 1,213,976.88 and 240,686.91 is: 360,967.45
Step by Step Solution
- Step 1: Write the proportion equation
809,458.99 : 1,213,976.88 = 240,686.91 : x - Step 2: Convert to fraction form
809,458.99/1,213,976.88 = 240,686.91/x - Step 3: Cross multiply
809,458.99x = 1,213,976.88 × 240,686.91 - Step 4: Simplify right side
809,458.99x = 292,188,344,058.64 - Step 5: Solve for x
x = 292,188,344,058.64/809,458.99 - Step 6: Final answer
x = 360,967.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.